Spray Away. This simple device can be used around your water garden pool to protect against varmints up to 1900 square feet. Simply attach your garden hose and set in place. The Spray Away uses a battery powered infra red motion sensor that detects the varmints around your water garden pool. Once a varmints enters, a sudden burst of water is activated . This is an environmental friendly way to prevent varmints around and in your water garden pool.